179 lines
6.0 KiB
Plaintext
179 lines
6.0 KiB
Plaintext
# === Purpose ===
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#
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# Verify that disk full/out of space errors generated during the flush
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# stage of binlog commit are properly handled by the server.
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#
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# === Implementation ===
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#
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# Simulate tempoary file write failures in below scenarios and verify the
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# failures can be handled correctly.
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# - Simulate binlog cache write failure in an INSERT which write data more than
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# cache size.
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# - Simulate my_b_flush_io_cache failure in an ROLLBACK TO.
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# - Simulate my_b_flush_io_cache failure when reseting binlog cache in a
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# ROLLBACK.
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# - Simulate my_b_flush_io_cache failure when reseting binlog cache in a
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# COMMIT
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# - Simulate write failure
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# - Simulate my_b_flush_io_cache failure when reseting binlog cache in
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# disconnect
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# - Simulate a binlog cache write failure when reinitializing it for
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# copying to binlog. It should cause server abort if binlog_error_action
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# is ABORT_SERVER
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#
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# === References ===
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#
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# Bug #27399620 BINLOG AND ENGINE BECOME INCONSISTENT WHEN BINLOG CACHE FILE
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# GETS OUT OF SPACE
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--source include/have_binlog_format_row.inc
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--source include/have_log_bin.inc
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--source include/have_debug.inc
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# Don't test this under valgrind, memory leaks will occur
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--source include/not_valgrind.inc
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# Avoid CrashReporter popup on Mac
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--source include/not_crashrep.inc
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call mtr.add_suppression("An error occurred during flush stage of the commit");
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call mtr.add_suppression("Attempting backtrace. You can use the following information to find out*");
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call mtr.add_suppression(".*Error writing file.*");
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RESET MASTER;
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CREATE TABLE t1(c1 varchar(8192));
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CREATE TABLE t2(c1 varchar(8192));
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CREATE TABLE t3(c1 varchar(8192));
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SET GLOBAL binlog_cache_size = 4096;
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connect(con1,localhost,root,,);
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--echo
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--echo # Case 1 Simulate my_b_flush_io_cache failure when truncating binlog
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--echo # cache. ROLLBACK TO triggers binlog cache truncation process.
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--source include/save_binlog_position.inc
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BEGIN;
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INSERT INTO t1 VALUES (repeat('a', 2048));
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# Below statemens in sp1 should not be binlogged
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SAVEPOINT sp1;
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INSERT INTO t2 VALUES (repeat('a', 4096));
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INSERT INTO t3 VALUES (repeat('b', 4096));
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# ROLLBACK to savepoint should not call my_b_flush_io_cache which
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# caused extra events were logged before the fix.
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SET SESSION debug = "+d,simulate_error_during_flush_cache_to_file";
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ROLLBACK TO sp1;
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SET SESSION debug = "-d,simulate_error_during_flush_cache_to_file";
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INSERT INTO t1 VALUES (repeat('c', 8192));
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COMMIT;
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# The transaction should be binlogged correctly
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--let $binlog_start= $binlog_position
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--source include/show_binlog_events.inc
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--echo
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--echo # Case 2 Simulate my_b_flush_io_cache failure when reseting binlog cache
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--echo # in ROLLBACK statement
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BEGIN;
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INSERT INTO t1 VALUES (repeat('a', 8192));
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# When reseting binlog cache, it should not call my_b_flush_io_cache to flush
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# data in binlog cache to temporary file. It caused assertion failure:
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# binlog_cache_data::reset(): Assertion `is_binlog_empty()' before the fix.
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SET SESSION debug = "+d,simulate_error_during_flush_cache_to_file";
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ROLLBACK;
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SET SESSION debug = "-d,simulate_error_during_flush_cache_to_file";
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--echo
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--echo # Case 3 CLIENT DISCONNECT. it is same to ROLLBACK
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BEGIN;
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INSERT INTO t1 VALUES (repeat('a', 8192));
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SET SESSION debug = "+d,simulate_error_during_flush_cache_to_file";
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--disconnect con1
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--echo
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--echo # Case 4 Simulate write failure when reinitializing binlog cache for
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--echo # copying to binlog. The error should be ignored and cache
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--echo # is cleared correctly if binlog_error_action is IGNORE_ERROR
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--echo #
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--connect(con1,localhost,root,,)
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TRUNCATE t1;
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--source include/save_binlog_position.inc
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SET GLOBAL binlog_error_action = IGNORE_ERROR;
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BEGIN;
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INSERT INTO t1 VALUES (repeat('a', 8192));
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SET SESSION debug = "+d,simulate_tmpdir_partition_full";
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--replace_regex /.*Error writing file.*/Error writing file <tmp_file_name> (Errcode: ##)/
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COMMIT;
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SET SESSION debug = "-d,simulate_tmpdir_partition_full";
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#SET SESSION debug = "-d,simulate_no_free_space_error";
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# Check that transaction is committed
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--let $assert_cond = COUNT(*) = 1 FROM t1;
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--let $assert_text = Count of elements in t1 should be 1.
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# Check that error is present in error log
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--let $assert_file= $MYSQLTEST_VARDIR/log/mysqld.1.err
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--let $assert_only_after = CURRENT_TEST: binlog.binlog_cache_write_failure
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--let $assert_count = 1
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--let $assert_select = An error occurred during flush stage of the commit. 'binlog_error_action' is set to 'IGNORE_ERROR'.
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--let $assert_text = An error occurred during flush stage of the commit. 'binlog_error_action' is set to 'IGNORE_ERROR'.
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--source include/assert_grep.inc
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# Restart so that binary log is enabled again and we can do the below test
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--disconnect con1
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--connection default
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--source include/restart_mysqld.inc
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# Nothing should be logged
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--let $binlog_start= $binlog_position
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--source include/show_binlog_events.inc
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--echo
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--echo # Case 5 Simulate write failure when reinitializing binlog cache for
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--echo # copying to binlog with ABORT_SERVER
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--echo #
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SET GLOBAL binlog_cache_size = 4096;
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--connect(con1,localhost,root,,)
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select @@global.binlog_cache_size;
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TRUNCATE t2;
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--source include/save_binlog_position.inc
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SET GLOBAL binlog_error_action = ABORT_SERVER;
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BEGIN;
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INSERT INTO t2 VALUES (repeat('b', 8192));
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--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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SET SESSION debug = "+d,simulate_tmpdir_partition_full";
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--error ER_BINLOG_LOGGING_IMPOSSIBLE
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COMMIT;
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--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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# Restart so that binary log is enabled again and we can do the below test
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--source include/restart_mysqld.inc
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select * from t2;
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# Check that transaction is not committed
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--let $assert_cond = COUNT(*) = 0 FROM t2;
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--let $assert_text = Count of elements in t2 should be 0.
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--source include/assert.inc
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# Nothing should be logged
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--let $binlog_start= $binlog_position
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--source include/show_binlog_events.inc
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# Cleanup
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--disconnect con1
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--connection default
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--enable_reconnect
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DROP TABLE t1, t2, t3;
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RESET MASTER;
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